CN221184634U

CN221184634U - Sand box transfer device

Info

Publication number: CN221184634U
Application number: CN202322876978.1U
Authority: CN
Inventors: 曾宪金; 王亚平; 杨俊杰; 王开富
Original assignee: Chongqing City Rongchang District Jinyi Casting Co ltd
Current assignee: Chongqing City Rongchang District Jinyi Casting Co ltd
Priority date: 2023-10-25
Filing date: 2023-10-25
Publication date: 2024-06-21
Anticipated expiration: 2033-10-25

Abstract

The utility model discloses a sand box transfer device, which comprises: the transfer trolley comprises a frame, a wheel assembly, a first driving unit, a conveying assembly and a plurality of bearing frames, wherein the wheel assembly is arranged on the frame and can move back and forth on the conveying rail, the first driving unit is connected with the frame and used for driving the wheel assembly to move, the conveying assembly is arranged at the upper end of the frame and provided with a conveying rail, and the bearing frames can be accommodated in the conveying rail, the top surfaces of the bearing frames are used for bearing sand boxes and can be transmitted on each production line; the conveying assembly comprises a plurality of conveying frames arranged at intervals, a plurality of conveying rollers rotatably arranged between the conveying frames and a second driving unit which is arranged on the conveying frames and connected with the conveying rollers and used for driving the conveying rollers to rotate around the axis of the conveying rollers, the moving direction of the wheel assembly is perpendicular to the conveying direction of the sand boxes, the conveying rollers are utilized to rotate, the sand boxes borne on the bearing frames are transported, the automation degree is high, manpower is saved, and the working efficiency is improved.

Description

Sand box transfer device

Technical Field

The utility model belongs to the technical field of casting processing equipment, and particularly relates to a sand box transfer device.

Background

In sand casting plants, in order to save floor space, the production lines are generally arranged in multiple segments, which are distributed in parallel to save plant space. After the production line is arranged, a device for transferring the sand boxes is an indispensable device in processing. At present, the sand boxes are transferred from one production line to another production line, usually by means of a transfer trolley. But transport the shallow and realize that the sand box is transported, need the auxiliary transport sand box of manpower, waste time and energy, and degree of automation is low, has reduced work efficiency.

Disclosure of utility model

Aiming at the technical problems that the sand box transportation is carried out by utilizing a transportation trolley in the prior art and can be completed only by manpower assistance, the automation degree is low, and the working efficiency is affected, the utility model provides a sand box transportation device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a flask transfer device comprising:

A conveying track arranged perpendicular to the production line;

the transfer trolley can reciprocate along the arrangement direction of the conveying track, and comprises a frame, a wheel assembly, a first driving unit, a conveying assembly and a plurality of bearing frames, wherein the wheel assembly is arranged on the frame and can reciprocate on the conveying track, the first driving unit is connected with the frame and is used for driving the wheel assembly to move, the conveying assembly is arranged at the upper end of the frame and is provided with a conveying track, and the bearing frames can be accommodated in the conveying track, the top surfaces of the bearing frames are used for bearing sand boxes and can be transmitted on various production lines; the conveying assembly comprises a plurality of conveying frames arranged at intervals, a plurality of conveying rollers rotatably arranged between the conveying frames and a second driving unit which is arranged on the conveying frames and connected with the conveying rollers and used for driving the conveying rollers to rotate around the axes of the conveying rollers, and the moving direction of the wheel assembly is perpendicular to the conveying direction of the sand box.

Further, the frame includes inside hollow underframe and connects the stiffening beam at underframe middle part, the both sides of stiffening beam all are connected with two intervals and are relative distribution's reinforcing component, reinforcing component is including setting up at same side and two deep floor of structural symmetry, two deep floor's top surface and bottom surface all are in same horizontal position, every deep floor's first lateral wall with stiffening beam lateral wall is connected and the second lateral wall with underframe inner wall connection.

Further, the wheel assembly has a plurality of and follows the arrangement direction interval of delivery track sets up side by side, the wheel assembly is including seting up two axletree mounting holes on the car underframe lateral wall and be concentric distribution, respectively one-to-one and partly install first bearing frame in the axletree mounting hole, both ends cup joint respectively in the axletree in the inside bearing inner race of first bearing frame and with the axletree tip one-to-one is connected and distribute in the wheel in the car underframe outside.

Further, the wheel includes first round platform and from first round platform lateral wall orientation is kept away from the protruding second round platform that forms of direction of car underframe, first round platform with the second round platform is concentric distribution, just the external diameter of first round platform is greater than the external diameter of second round platform, first round platform lateral wall with the delivery track lateral wall contacts, the outer peripheral surface of second round platform with the top surface of delivery track contacts.

Further, the first driving unit is a first driving motor, and an output end of the first driving motor is connected with one of the axles.

Further, two conveying frames and a plurality of conveying rollers arranged between the two conveying frames are provided with conveying tracks for accommodating the bearing frames, the conveying frames are of hollow structures, the conveying rollers are distributed between the two conveying frames at equal intervals along the conveying direction of the sand box, two ends of each conveying roller are respectively connected with a second bearing seat with bearings in a one-to-one correspondence mode, corresponding side holes are formed in the positions, corresponding to the positions of the second bearing seats, of the side walls of the two conveying frames, all the second bearing seats are respectively assembled in the corresponding side holes, the second bearing seats are connected to the side walls of the conveying frames through mounting bolts, and shaft rods at the end portions of the two ends of each conveying roller penetrate out of the corresponding bearings and penetrate through the side holes to enter the conveying frames.

Further, the second driving unit comprises a plurality of duplex gears which are arranged in one conveying frame and are connected with the conveying roller shafts in one-to-one correspondence, a plurality of chains meshed with the duplex gears, and a second driving motor which is connected with one duplex gear and distributed outside the conveying frame, wherein the duplex gears connected with the second driving motor are limited to be driving gears, the rest duplex gears are limited to be driven gears, the driving gears are connected with driven gears positioned at two sides of the driving gears in one-to-one correspondence through two chains respectively, and every two adjacent driven gears are connected through one chain among all the driven gears.

Further, the bearing frame comprises a lower support, a support frame and a panel, wherein the lower support is in surface contact with the conveying roller and hollow in the interior, the support frame is arranged in an inner cavity of the lower support, the panel is connected with the top surface of the lower support, the lower support is a rectangular frame body with four corners being corner cutting surfaces on a overlook projection surface, and the support frame is formed by a plurality of support rods which are distributed transversely and longitudinally in a staggered mode.

Further, the panel surface is provided with an anti-slip layer, and the width of the panel is larger than the width of the conveying assembly in a top view projection plane.

Further, the conveying track comprises two conveying tracks which are arranged at intervals, and the two conveying tracks are connected with the wheel assembly.

In summary, the beneficial effects of the utility model are as follows: firstly, when the sand box is transferred to another section of production line from the first section of production line, the bearing frame is used as a bearing of the bottom of the sand box to move in the production line and the conveying track, and in the transferring process, workers are not required to move the sand box up and down, so that the labor is saved. When transferring, the wheel is driven by the first driving motor to drive the whole transfer device to reciprocate on the conveying track, and after the conveying roller in the conveying assembly rotates, the bearing frame can enter/exit the conveying track, the sand box is smoothly transferred, the automation degree is high, and the working efficiency is improved. The panel contacts with the sand box in the second bearing frame, and the lower bracket contacts with the production line or the conveying roller, and the bearing frame can be transferred together with the sand box in work, so that four corners of the lower bracket are of a chamfer structure, and when the bearing frame is transferred, the sectional areas of the end parts of the two ends of the lower bracket in the moving direction are smaller than the sectional areas of the middle part, so that the lower bracket can easily enter the conveying track or the production line, and the sand box can be easily transferred.

Drawings

FIG. 1 is a schematic view of a flask transfer device according to the present utility model.

Fig. 2 is a schematic perspective view of a frame in the present utility model.

Fig. 3 is a schematic perspective view of a transfer assembly according to the present utility model.

Fig. 4 is a schematic structural view of a second driving unit in the present utility model.

Fig. 5 is a top view of the lower bracket and the support bracket of the present utility model.

In the figure, the conveyor track 100-the conveyor track 110-the conveyor track 200-the transfer car, the carriage 210-the car bottom frame 211-the car bottom frame 212-the stiffening beam 2120-the stiffening assembly 220-the wheel assembly 221-the first bearing seat 222-the car axle 223-the wheel 223-the first round bench 223B-the second round bench 230-the first driving unit 240-the transfer assembly 241-the transfer frame 2410-the second bearing roller 242-the transfer roller 243-the second driving unit 243A-the double gear 243B-the chain 243C-the second driving motor 250-the carriage 251-the lower carriage 252-the support frame 2520-the support bar 253-the panel.

Detailed Description

The utility model is further illustrated below in conjunction with specific drawings.

Referring to fig. 1, the present utility model provides a sand box transfer device, including: a conveyor rail 100 arranged perpendicular to the production line, and a transfer car 200 capable of reciprocating along the arrangement direction of the conveyor rail 100. The transfer car 200 includes a frame 210, a wheel assembly 220 mounted on the frame 210 and reciprocally movable on the transfer rail 100, a first driving unit 230 connected to the frame 210 for driving the wheel assembly 220 to move, a transfer assembly 240 provided at an upper end of the frame 210 and having a transfer rail, and a plurality of carriers 250 receivable in the transfer rail and having a top surface for carrying flasks and capable of being transferred on each production line. Referring to fig. 3, the transfer assembly 240 includes a plurality of transfer frames 241 disposed at intervals, a plurality of transfer rollers 242 rotatably mounted between the transfer frames 241, and a second driving unit 243 disposed on the transfer frames 241 and connected to the transfer rollers 242 for driving the transfer rollers 242 to rotate around their axes, wherein the moving direction of the wheel assembly 220 is perpendicular to the transfer direction of the sand box. The conveying rail 100 is arranged at one end of a multi-section production line which is distributed in parallel, and the bearing frame 250 can be transmitted on each section production line, so that sand boxes can be manufactured on the bearing frame 250, and sand boxes to be transported are all provided with the bearing frame 250 for bearing the sand boxes and transmitting along with the sand boxes, so that the sand box transmission is more stable. Before transferring the sand boxes, the bearing frame 250 accommodated in the conveying track rotates along with the carried sand boxes to the next-stage production line, two ends of the conveying track 100 are respectively limited to a first end and a second end, and because the moving direction of the transfer truck 200 is perpendicular to the transmission direction of the sand boxes in the device, when the transfer truck 200 is driven by the first driving unit 230 to move to be close to the first end, the conveying track can be aligned to the conveying position of the previous-stage production line, the second driving unit 243 is started, after the conveying roller 242 rotates, the bearing frame 250 and the sand boxes conveyed by the previous-stage production line can be received, the bearing frame 250 automatically moves into the conveying track, the wheel assembly 220 is started, the transfer truck 200 moves to be close to the second end along the arrangement direction of the conveying track 100, and after the conveying track is aligned to the conveying position of the next-stage production line, the second driving unit 243 is started, and the conveying roller 242 rotates to smoothly realize the conveying of the bearing frame 250 and the sand boxes placed on the bearing frame 250 to the next-stage production line. The whole transfer process is automatic operation, the work efficiency is improved, and the sand boxes to be transported are all provided with the bearing frames 250 to be supported below and transported together, so that the whole sand box transfer process does not need manpower to move the sand boxes up and down, and time and manpower are saved.

The conveying track 100 includes two conveying rails 110 arranged at intervals, the conveying rails 110 are preferably made of i-steel, the conveying rails 110 are firm and durable, the two conveying rails 110 are connected with the wheel assembly 220, and the interval distance between the two conveying rails 110 is adapted to the width of the wheel assembly 220.

Referring to fig. 2, the frame 210 includes a hollow bottom frame 211 and a reinforcing beam 212 connected to the middle of the bottom frame 211, two spaced reinforcing members 2120 are connected to two sides of the reinforcing beam 212 and are distributed oppositely, and the reinforcing members 2120 include two reinforcing ribs disposed on the same side and having symmetrical structures. The top surfaces and the bottom surfaces of the two reinforcing rib plates are all positioned at the same horizontal position, a first side wall of each reinforcing rib plate is connected with the side wall of the reinforcing beam 212, and a second side wall is connected with the inner wall of the underframe 211. The hollow structure of the underframe 211 helps to reduce the dead weight of the device, but after the reinforcing beam 212 is arranged in the middle and is connected with a plurality of reinforcing ribs, the strength of the frame 210 is improved, and the frame 210 is more stable and firm.

The wheel assemblies 220 are multiple and arranged side by side along the arrangement direction of the conveying track 100, and the wheel assemblies 220 comprise two axle mounting holes which are formed on the side wall of the underframe 211 and are concentrically distributed, first bearing seats 221 which are respectively in one-to-one correspondence and are partially arranged in the axle mounting holes, axles 222 with two ends respectively sleeved in bearing inner rings in the first bearing seats 221, and wheels 223 which are respectively connected with the ends of the axles 222 in one-to-one correspondence and are distributed outside the underframe 211. The wheel 223 includes a first circular table 223A and a second circular table 223B protruding from an outer sidewall of the first circular table 223A in a direction away from the underframe 211. The first circular table 223A and the second circular table 223B are concentrically distributed, and the outer diameter of the first circular table 223A is larger than the outer diameter of the second circular table 223B. The outer side wall of the first round table 223A contacts with the side wall of the conveying rail 110 in the conveying rail 100, and the outer peripheral surface of the second round table 223B contacts with the top surface of the conveying rail 110 in the conveying rail 100. When the wheel 223 contacts with the conveying rail 110 for transferring, the first round table 223A abuts against the side wall of the conveying rail 110, so that the position of the wheel 223 can be limited, and the deviation of the wheel 223 can be avoided. The first driving unit 230 may be a first driving motor, an output end of the first driving motor is connected to one of the axles 222, one end of the axle 222 extends to a direction away from the underframe 211 to lengthen the length of the axle 222, and the lengthened section of the axle 222 is convenient for connection of the output end of the first driving motor. In order to enhance the stability of the first driving motor, the first driving motor is further connected to the underframe 211 through a connection block (not shown).

Two of the transfer frames 241 and a plurality of transfer rollers 242 provided between the two transfer frames 241 are formed with transfer rails for accommodating the carriers 250. The conveying frame 241 is of a hollow structure, and the conveying frames 241 are identical in structure, so that the manufacturing is facilitated, and the assembling difficulty is reduced. The plurality of conveying rollers 242 are arranged between the two conveying frames 241 at equal intervals along the conveying direction of the sand box, and two ends of each conveying roller 242 are connected with a second bearing seat 2410 with bearings arranged inside in a one-to-one correspondence manner. Corresponding side holes are formed in the side walls of the two conveying frames 241 at positions corresponding to the second bearing seats 2410, all the second bearing seats 2410 are partially assembled in the corresponding side holes, the second bearing seats 2410 are connected to the side walls of the conveying frames 241 through mounting bolts, and two end shaft rods of each conveying roller 242 penetrate through the corresponding bearing and pass through the side holes to enter the conveying frames 241.

Referring to fig. 4, the second driving unit 243 includes a plurality of duplex gears 243A disposed inside one of the conveying frames 241 and connected to the shaft of the conveying roller 242 in a one-to-one correspondence manner, a plurality of chains 243B meshed with the duplex gears 243A, and a second driving motor 243C connected to one of the duplex gears 243A and distributed outside the conveying frames 241, wherein the duplex gears 243A connected to the second driving motor 243C are defined as driving gears, and the remaining duplex gears 243A are defined as driven gears. The driving gear is connected with driven gears positioned at two sides of the driving gear in a one-to-one correspondence manner through two chains 243B, and every two adjacent driven gears are connected through one chain 243B. After the second driving motor 243C is started by the cooperation of the duplex gear 243A and the corresponding chain 243B, all the duplex gears 243A are driven to synchronously rotate by rotating one duplex gear 243A, so that all the conveying rollers 242 synchronously rotate to automatically convey the bearing frame 250 and the sand box, and the automatic sand box conveying device is high in automation degree and convenient to use.

The carrier 250 includes a lower bracket 251, which is in contact with the surface of the conveying roller 242 and hollow in the interior, a supporting frame 252 disposed in the inner cavity of the lower bracket 251, and a panel 253 connected to the top surface of the lower bracket 251, referring to fig. 5, the lower bracket 251 is a rectangular frame body with four corners having a corner cutting surface on a plane view, and the lower bracket 251 is a main component entering a conveying track or a production line, and the advantage of changing four corner cutting surfaces into corner cutting surfaces is that when entering the conveying track or the production line, the cross-sectional area of the end portion is smaller than that of the middle portion, so that the carrier 250 can more easily enter the corresponding track, and the processing of the four corner cutting surfaces is not differentiated during assembly or use, and is more convenient to use.

The supporting frame 252 is composed of a plurality of supporting rods 2520 which are transversely and longitudinally staggered, and the supporting rods 2520 are arranged in the hollow lower bracket 251 to improve the supporting strength of the lower bracket 251.

The surface of the panel 253 is provided with an anti-slip layer, the anti-slip layer is preferably made of rubber materials, and after the sand box is contacted with the anti-slip layer, stability can be enhanced. The width of the panel 253 is larger than the width of the transfer assembly 240 in a top view, specifically, the width of the panel 253 is larger than the distance between the two outer side walls of the two transfer frames 241, and more preferably, the width of the panel 253 is also larger than the width of the production line. The upper panel 253 of the projection plane can extend out of the conveying frame 241 or the outer side of the production line, so that even if sand boxes fall off in the transferring process, the upper panel 253 can fall off the conveying frame 241 or the outer side of the production line due to the wider area of the upper panel 253, and the sand boxes are convenient to clean workshop sand.

The working process of the transfer device is as follows: two parallel spaced apart conveyor rails 110 are vertically disposed on one side of a parallel multi-segment production line, the width of the conveyor rails 110 being adapted to the width of two wheels 223 in the wheel assembly 220. The plurality of bearing frames 250 can be placed on a production line for transportation, sand boxes can be manufactured on the surface of the panel 253, after the bearing frames 250 on the upper production level bear the sand boxes, the bearing frames 250 on the upper production level move towards the direction close to the first end or the second end of the conveying track 100, the first driving motor drives the wheels 223 to move on the conveying track 100 and close to the conveying position of the upper production line until the conveying track is aligned with the blanking position of the upper production line, the second driving motor 243C in the second driving unit 243 is started, the duplex gears 243A connected with the second driving motor 243C rotate, all duplex gears 243A are driven by the chain 243B to synchronously rotate, the conveying rollers 242 rotate around the axes of the bearing frames 250 on the bearing frames, the first driving motor drives the wheels 223 to move towards the direction close to the lower production line again until the conveying track is aligned with the feeding position of the lower production line, and after the second driving motor 243C is started to drive the conveying rollers 243 to rotate, the bearing frames 250 and the panel 253 are transferred onto the lower production line smoothly, and the sand boxes are transferred onto the lower production line smoothly.

This transfer device: firstly, when the sand box is transferred from one section of production line to another section of production line, the bearing frame 250 is used as a bearing of the bottom of the sand box to move in the production line and the conveying track, and in the transferring process, workers are not required to move the sand box up and down, so that labor is saved. During transfer, the wheels 223 are driven by the first driving motor to drive the whole transfer device to reciprocate on the conveying track 100, and after the conveying rollers 242 in the conveying assembly 240 rotate, the bearing frame 250 can enter/exit the conveying track, so that the sand box is smoothly transferred, the automation degree is high, and the working efficiency is improved. Secondly, the panel 253 in the carrier 250 is contacted with the sand box, and the lower bracket 251 is contacted with the production line or the conveying roller 242, and because the carrier 250 can be transferred together with the sand box during operation, the four corners of the lower bracket 251 are in a corner cutting structure, and during transfer, the sectional area of the two end parts of the lower bracket 251 in the moving direction is smaller than the sectional area of the middle part, so that the lower bracket 251 can be facilitated to enter the conveying track or the production line more easily, and the sand box can be transferred more easily.

The foregoing is only the embodiments of the present utility model, and therefore, the patent scope of the utility model is not limited thereto, and all equivalent structures made by the description of the utility model and the accompanying drawings are directly or indirectly applied to other related technical fields, which are all within the scope of the utility model.

Claims

1. Sand box transfer device, its characterized in that: comprising the following steps:

A conveying track arranged perpendicular to the production line;

2. A flask transfer device according to claim 1, wherein: the frame includes inside hollow car underframe and connects the stiffening beam at car underframe middle part, the both sides of stiffening beam all are connected with two intervals and are relative distribution's reinforcing component, reinforcing component is including setting up two deep floor at same side and structural symmetry, two deep floor's top surface and bottom surface all are in same horizontal position, every deep floor's first lateral wall with stiffening beam lateral wall is connected and the second lateral wall with car underframe inner wall is connected.

3. A flask transfer device according to claim 2, wherein: the wheel assembly is provided with a plurality of wheels and is arranged side by side along the arrangement direction of the conveying track at intervals, and comprises two axle installation holes which are formed in the side wall of the underframe and are concentrically distributed, first bearing seats which are respectively in one-to-one correspondence and are partially installed in the axle installation holes, axles with two ends respectively sleeved in bearing inner rings in the first bearing seats, and wheels which are respectively connected with the end parts of the axles in one-to-one correspondence and are distributed outside the underframe.

4. A flask transfer device according to claim 3, wherein: the wheel includes first round platform and from first round platform lateral wall is kept away from the protruding second round platform that forms of orientation of car underframe, first round platform with the second round platform is concentric distribution, just the external diameter of first round platform is greater than the external diameter of second round platform, first round platform lateral wall with the delivery track lateral wall contacts, the outer peripheral surface of second round platform with the top surface of delivery track contacts.

5. A flask transfer device according to claim 3, wherein: the first driving unit is a first driving motor, and the output end of the first driving motor is connected with one of the axles.

6. A flask transfer device according to claim 1, wherein: the two conveying frames and a plurality of conveying rollers arranged between the two conveying frames are provided with conveying tracks for accommodating the bearing frames, the conveying frames are of hollow structures, the conveying rollers are distributed between the two conveying frames at equal intervals along the conveying direction of the sand box, two ends of each conveying roller are respectively connected with a second bearing seat with bearings arranged inside in a one-to-one correspondence manner, the side walls of the two conveying frames are provided with corresponding side holes corresponding to the positions of the second bearing seats, all the second bearing seats are respectively assembled in the corresponding side holes, the second bearing seats are connected to the side walls of the conveying frames through mounting bolts, and shaft rods at the end parts of the two ends of each conveying roller penetrate out of the corresponding bearings and penetrate through the side holes to enter the conveying frames.

7. The sand box transfer device of claim 6, wherein: the second driving unit comprises a plurality of duplex gears which are arranged in one conveying frame and are connected with the conveying roller shafts in one-to-one correspondence, a plurality of chains meshed with the duplex gears, and a second driving motor which is connected with one duplex gear and distributed outside the conveying frame, wherein the duplex gears connected with the second driving motor are limited to be driving gears, the rest duplex gears are limited to be driven gears, the driving gears are connected with driven gears positioned at two sides of the driving gears in one-to-one correspondence through two chains respectively, and every two adjacent driven gears are connected through one chain among all the driven gears.

8. A flask transfer device according to claim 1, wherein: the bearing frame comprises a lower support, a support frame and a panel, wherein the lower support is in surface contact with the conveying roller and hollow in the interior, the support frame is arranged in an inner cavity of the lower support, the panel is connected with the top surface of the lower support, the lower support is a rectangular frame body with four corners being corner cutting surfaces on a overlook projection surface, and the support frame is composed of a plurality of support rods which are distributed in a transverse and longitudinal staggered mode.

9. The sand box transfer device of claim 8, wherein: the panel surface is equipped with the skid resistant course, on overlooking projection plane, the width of panel is greater than the width of conveying subassembly.

10. A flask transfer device according to claim 1, wherein: the conveying rail comprises two conveying rails which are arranged at intervals, and the two conveying rails are connected with the wheel assembly.